Hi Christophe and Samuel,
> * When running your ersatz/pil, why do I get this:
> java.lang.UnsupportedClassVersionError: PicoLisp : Unsupported
> major.minor version 52.0
> My guess is that you compiled the .jar with Java > 1.6. How can I use
> the content of the `java` dir with my old Ersatz?